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dfccd9ee98
should expand ATOMIC_CMP_SWAP nodes the same way that it does for ATOMIC_SWAP. Since ATOMIC_LOADs on some targets (e.g. older ARM variants) get legalized to ATOMIC_CMP_SWAPs, the missing case had been causing i64 atomic loads to crash during isel. <rdar://problem/14074644> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185186 91177308-0d34-0410-b5e6-96231b3b80d8
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